y
  • symbol for y-coordinate, or ordinate.
  • chemical symbol for yttrium
    (written as Y)
  • symbol for yotta-
    (written as Y)
  • symbol for admittance
    (written as Y)
  • symbol for yocto-
  • symbol for year
  • A metric prefix representing 10-24. For example, 1 yoctosecond is equal to 10-24 second. Its abbreviation is y.
  • A metric prefix representing 1024. For example, yotta-hertz. Its symbol is Y.

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